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Woodward 9907-1386 Electro-Hydraulic Linear Actuator Specifications


The Woodward 9907-1386 is an electro-hydraulic linear actuator engineered specifically for controlling steam turbine valves or valve racks. This actuator is known for its robustness, precision, and high-performance capabilities in demanding industrial environments.

Key Features

Design and Reliability:

  • Dirt-Tolerant Design: The actuator has only two moving parts, ensuring high reliability even in environments with significant dirt and debris.
  • Self-Cleaning Valve Design: Helps prevent oil contamination, maintaining consistent performance over time.

Performance and Control:

  • Variable/Configurable Shaft Stroke Lengths: Allows for precise control of steam valves, accommodating various operational requirements.
  • Fast Slew Rates: Capable of achieving up to 762 mm/s (30 inches/second) at 500 psi supply pressure (no load), facilitating rapid response times.

Technical Specifications

Mechanical Specifications:

  • Shaft Stroke Lengths: Variable and configurable to meet specific application needs.
  • Slew Rate: Up to 762 mm/s (30 inches/second) at 500 psi supply pressure (no load).

Environmental and Operational Capabilities:

  • Operating Pressure: Designed to operate efficiently at a supply pressure of 500 psi.
  • Durability: Constructed to withstand challenging environments, maintaining functionality despite dirt and contaminants.

Maintenance and Longevity:

  • Low Maintenance: The simple design with minimal moving parts reduces maintenance requirements.
  • Self-Cleaning Mechanism: Ensures long-term performance by preventing oil contamination.

Application and Usage

Steam Turbine Control:

  • Primary Use: Specifically designed for controlling steam turbine control valves or valve racks.
  • Precision Control: Variable shaft stroke lengths and fast slew rates provide precise and responsive control necessary for steam turbine operations.

Industrial Environment Suitability:

  • Robust Construction: Built to operate reliably in harsh industrial conditions.
  • Dirt and Contaminant Resistance: Self-cleaning design and dirt-tolerant construction enhance reliability and reduce downtime.
Is our price competitive?
Topbrands collaborates with over 50 countries worldwide. As a leading supplier in China, we can provide significant discounts to customers based on market demand.
What is the warranty period?
We offer a standard one-year warranty for all new and original items.
What payment methods do we accept?
We accept 100% T/T (Telegraphic Transfer) before shipping. For items with a lead time, a 30% deposit is required in advance, with the remaining 70% balance due before shipping. If you have an agent in China, please contact us for RMB transfer.
What is the warranty period?
We offer a standard one-year warranty for all new and original items.
What shipping methods do we use?
We primarily utilize carriers such as FedEx, DHL, UPS, BRE, etc. If you have an account with any of these carriers, you can arrange the shipping yourself. Additionally, we offer free shipping to China freight forwarders.
What is our delivery time?
Typically, delivery takes around 1-3 days after receiving the advance payment. For items with a quoted lead time, delivery will occur as per the specified lead time.
How do we package the goods?
Our packaging process involves multiple layers of protection. Initially, the product is placed in its original box, sealed with a label. Then, we add a layer of bubble wrap to safeguard against collisions during transportation. Finally, all products are securely packed in sturdy boxes for further protection.
How can customers contact us and request a quote?
Customers can inquire via email, WhatsApp, WeChat, Skype, or any preferred communication platform. Simply reach out to us, and we'll promptly provide a quote tailored to your needs.

Topbrands PLC Limited is a top supplier of genuine new PLC and DCS parts, serving over 50 countries globally. We offer high-quality products from renowned brands like Bently Nevada, Honeywell, ABB, and more. With our warehouse in China stocking up to 30,000 pieces, we ensure rapid delivery to meet urgent order needs while maintaining competitive pricing to save our customers' budgets. Learn more...

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